Finding the Fourth Proportional to 1,039.69, 1,434.77 and 597.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,039.69 : 1,434.77 = 597.62 : x
2. Step 2: Convert to fraction form
   1,039.69/1,434.77 = 597.62/x
3. Step 3: Cross multiply
   1,039.69x = 1,434.77 × 597.62
4. Step 4: Simplify right side
   1,039.69x = 857,441.57
5. Step 5: Solve for x
   x = 857,441.57/1,039.69
6. Step 6: Final answer
   x = 824.71